Hi Mike,
it is not the only one. You can detect such ghost calls also at
signalling level (via SST).
But detection at media level:
- is the most accurate as time error
- it adds the biggest load on the system (as you need to put all RTP
streams on your servers).
So, which one to use (signalling versus media), is about making a
compromise between accuracy and load (considering that such ghost calls
are corner cases).
Regards,
Bogdan
mancyb...@gmail.com wrote:
Hi All,
in a scenario where opensips routes calls from sip user agents to voip carriers:
can you please confirm that the only way to be sure to prevent fraud false
hangups
is to force the voice (rtp) to pass through opensips ?
Thanks and regards,
Mike
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--
Bogdan-Andrei Iancu
OpenSIPS Event - expo, conf, social, bootcamp
2 - 4 February 2011, ITExpo, Miami, USA
www.voice-system.ro
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